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The FixedLenDecoder needs to gracefully handle failing per-instruction decoder hooks in addition to per-operand decoder hooks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136645 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2011-08-01 20:06:49 +00:00
parent 81fd0ba8ab
commit 5f801ba6ef
1 changed files with 3 additions and 3 deletions
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6
utils/TableGen/FixedLenDecoderEmitter.cpp
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@ -566,7 +566,7 @@ void FilterChooser::emitTop(raw_ostream &o, unsigned Indentation,
"static bool decode" << Namespace << "Instruction" << BitWidth "static bool decode" << Namespace << "Instruction" << BitWidth
<< "(MCInst &MI, uint" << BitWidth << "_t insn, uint64_t Address, " << "(MCInst &MI, uint" << BitWidth << "_t insn, uint64_t Address, "
<< "const void *Decoder) {\n"; << "const void *Decoder) {\n";
o.indent(Indentation) << " unsigned tmp = 0;\n(void)tmp;\n"; o.indent(Indentation) << " unsigned tmp = 0;\n (void)tmp;\n";
++Indentation; ++Indentation; ++Indentation; ++Indentation;
// Emits code to decode the instructions. // Emits code to decode the instructions.
@ -776,8 +776,8 @@ bool FilterChooser::emitSingletonDecoder(raw_ostream &o, unsigned &Indentation,
I = InsnOperands.begin(), E = InsnOperands.end(); I != E; ++I) { I = InsnOperands.begin(), E = InsnOperands.end(); I != E; ++I) {
// If a custom instruction decoder was specified, use that. // If a custom instruction decoder was specified, use that.
if (I->numFields() == 0 && I->Decoder.size()) { if (I->numFields() == 0 && I->Decoder.size()) {
o.indent(Indentation) << " " << I->Decoder o.indent(Indentation) << " if (!" << I->Decoder
<< "(MI, insn, Address, Decoder);\n"; << "(MI, insn, Address, Decoder)) return false;\n";
break; break;
} }